3
Remove the instrument from the packing material and examine it carefully to make
sure that no damage has occurred during shipment. If there is any damage, please
contact your local Hanna Instruments Office.
The meter is supplied complete with:
• HI1230B pH electrode
• HI7662 temperature probe
• pH 4.01 & pH 7.01 buffer solutions, 20 mL each
• HI700661 cleaning solution, 20 mL sachet (2 pcs.)
• 9V battery
• Instruction manual
Note: Save all packing material until you are sure that the instrument functions
correctly. Any defective items must be returned in the original packing
with the supplied accessories.
HI8424 is a portable microprocessor-based pH/mV/temperature meter.
It features an enhanced user interface, rainproof casing, battery percentage
indication, low battery detection, automatic shut-off, automatic calibration and
error codes to guide the user in calibration and troubleshooting.
The pH calibration procedure automatically recognizes three memorized buffer
values: pH 4.01, 7.01 and 10.01.
This instrument can also measure ORP. The resolution automatically switches from
0.1 mV to 1 mV when readings exceed ±699.9 mV.
The user can set the following parameters by entering the setup mode through
the keyboard:
• enabling or disabling the auto-off feature
• enabling or disabling the acoustic signal
• selecting the temperature unit, °C or °F
GENERAL DESCRIPTION
PRELIMINARY EXAMINATION
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